Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 118 (ENGINE CONTROLS - REMOVAL & INSTALLATION)FUEL SYSTEMSFUEL SYSTEM CLEANING
2006 Chevrolet Suburban K2500, 6.0 U
Fuel System Cleaning
2006 Chevrolet Suburban K2500, 6.0 USECTION Fuel System Cleaning
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
When flushing the fuel tanks, handle the fuel and water mixture as a hazardous material. Handle the fuel and water mixture in accordance with all applicable local, state, and federal laws and regulations.
- Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove the fuel tank. See FUEL TANK . Remove the fuel sender assembly. See FUEL SENDER ASSEMBLY .
- Inspect the fuel sender strainer. Replace the fuel sender assembly if the fuel strainer is contaminated. Flush the fuel tank with hot water. Pour the water out of the fuel sender assembly opening in the fuel tank. Rock the fuel tank in order to be sure that the removal of the water from the fuel tank is complete.
- Allow the tank to dry completely before reassembly. Install the fuel sender assembly. See FUEL SENDER ASSEMBLY . Install the fuel tank. See FUEL TANK .
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.